Seem Debbie L, Lee Ingi, Umscheid Craig A, Kuehnert Matthew J
Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases, Division of Healthcare Quality Promotion, Office of Blood, Organ, and other Tissue Safety, Atlanta, GA 30329, USA.
Public Health Rep. 2013 Jul;128(4):247-343. doi: 10.1177/003335491312800403.